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About, hacking wireless WEP key. It takes you ~10 minutes to do it depending on the signal strength.
You get the victim name and channel using any tool (ex kismet), you dump the traffic into a file, inject packets to make the process faster cause you need around 100k-500k of IVs captured. Then you crack the key with aircrack-ng (airsnort is history and no longer supported).

Note: you need a linux distro, you can do it on windows but it is more complicated...